Who was the first person to prove the curvature of the earth?

Icombat car and a semi-truck are both traveling at the same velocity which has more kinetic energy

How would you sketch the path of boat of a speed of 3 m/s?

When you pull the trigger of a squirt gun, what happens to the air pressure inside the squirt gun? How does this cause water to shoot out towards a friend?

Ionic compounds form crystal structures. molecular structures. pure elements. neutral elements

Two alternate exterior angles are formed by a transversal through two parallel lines. If one of these alternate exterior angles has an angle measure of 5x-21, and the other angle has a measure of 2x+12, then what is the sum of their angle measures?

A 5.00-kg howler monkey is swinging due east on a vine. It overtakes and grabs onto a 6.00-kg monkey also moving east on a second vine. The first monkey is moving at 10.0 m/s at the instant it grabs the second, which is moving at 7.00 m/s.

One of the heating systems we talked about in this course comprises of a system of ducts. What is the process by which heat is transferred in this system? a. Conduction b. Convection c. Radiation d. None of the above

If the north pole of a magnet in a compass is attracted to Earth's geographic north, what must be the polarity of Earth's magnetic north pole? A. north B. south C. It can't be determined from the information given.

A canoe started its trip at 8 am. If the cannoe travelled at a speed of 70 mph how far did it travel by 1:36 pm?

1. Tariff of 1828 John C. Fremont 2. abolitionist who led the raid on Harper's Ferry John Brown 3. published The Liberator Santa Anna 4. Underground Railroad Harriet Tubman 5. died at the Alamo William Lloyd Garrison 6.